It took the firemen six hours to________ the fire.
#60665
A
put up
B
put down
C
put on
D
put out
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The students_____ until the heavy rain stopped.
#59177
A
didn’t go
B
went
C
are going
D
can’t go
We should always keep the classroom ________ and tidy.
#55199
A
cleaning
B
cleaned
C
to clean
D
clean